Military conflicts similar to or like Battle of Antietam

Fought September 12–15, 1862, as part of the Maryland Campaign of the American Civil War. As Gen. Robert E. Lee's Confederate army invaded Maryland, a portion of his army under Maj. Gen. Thomas J. "Stonewall" Jackson surrounded, bombarded, and captured the Union garrison at Harpers Ferry, Virginia (now West Virginia), a major victory at relatively minor cost. Wikipedia

Series of battles fought in Virginia during August and September 1862 in the Eastern Theater of the American Civil War. Confederate General Robert E. Lee followed up his successes of the Seven Days Battles in the Peninsula Campaign by moving north toward Washington, D.C., and defeating Maj. Gen. John Pope and his Army of Virginia. Wikipedia

Civil war fought in the United States from 1861 to 1865, between the North (the Union) and the South (the Confederacy). The Civil War began primarily as a result of the long-standing controversy over the enslavement of black people. Wikipedia

Fought July 1–3, 1863, in and around the town of Gettysburg, Pennsylvania, by Union and Confederate forces during the American Civil War. Often described as the war's turning point. Wikipedia

The first battle of Lt. Gen. Ulysses S. Grant's 1864 Virginia Overland Campaign against Gen. Robert E. Lee and the Confederate Army of Northern Virginia in the American Civil War. Both armies suffered heavy casualties, around 5,000 men killed in total, a harbinger of a bloody war of attrition by Grant against Lee's army and, eventually, the Confederate capital, Richmond, Virginia. Wikipedia

Fought during the Gettysburg Campaign of the American Civil War between two cavalry detachments from the Union Army of the Potomac, commanded by General Joseph Hooker, and the Confederate Army of Northern Virginia, commanded by General Robert E. Lee. Keen to restore his prestige after two humiliating encounters with Union cavalry, and as the main body crossed the Potomac into Maryland, he received permission to detach three brigades and ride around the entire Union army to gather supplies and intelligence, and damage lines of communication. Wikipedia

Major battle of the American Civil War , and the principal engagement of the Chancellorsville campaign. Fought from April 30 to May 6, 1863, in Spotsylvania County, Virginia, near the village of Chancellorsville. Wikipedia

Fought August 28–30, 1862 in Prince William County, Virginia, as part of the American Civil War. The culmination of the Northern Virginia Campaign waged by Confederate Gen. Robert E. Lee's Army of Northern Virginia against Union Maj. Gen. John Pope's Army of Virginia, and a battle of much larger scale and numbers than the First Battle of Bull Run fought on July 21, 1861 on the same ground. Wikipedia

Fought May 23–26, 1864, as part of Union Lt. Gen. Ulysses S. Grant's Overland Campaign against Confederate Gen. Robert E. Lee's Army of Northern Virginia. It consisted of a series of small actions near the North Anna River in central Virginia, rather than a general engagement between the armies. Wikipedia

The Battle of Unison or Battle of Union refers to a series of American Civil War cavalry skirmishes in Loudoun County, Virginia, between October 31 – November 2, 1862, between the Confederate forces of J.E.B. Stuart and various units of the Union Army of the Potomac. Although driven from the field in individual engagements, Stuart accomplished his mission to delay the enemy and screen the movements of the retreating Army of Northern Virginia. Wikipedia

Military invasion of Pennsylvania by the main Confederate army under General Robert E. Lee in summer 1863. The Union won a decisive victory at Gettysburg, July 1–3, with heavy casualties on both sides. Wikipedia

American Civil War skirmish fought September 13, 1863, near Culpeper, Virginia, between the cavalry of the Union Army of the Potomac and that of the Confederate Army of Northern Virginia. The Union victory opened up the Culpeper region to Federal control, a prelude to the subsequent Bristoe Campaign. Wikipedia

Fought on April 7, 1865, between the Union Army's II Corps of the Army of the Potomac and the Confederate Army of Northern Virginia during the Appomattox Campaign of the American Civil War. After the Battle of Sailor's Creek on April 6, 1865, surviving Confederate troops of Lieutenant General Richard H. Anderson and Major General John B. Gordon headed for the High Bridge, a double-deck structure with a railroad bridge on top and a lower wagon road bridge over the Appomattox River to cross to the north side of the river and continue their retreat to the west. Wikipedia

The Seven Days Battles were a series of seven battles over seven days from June 25 to July 1, 1862, near Richmond, Virginia, during the American Civil War. Confederate General Robert E. Lee drove the invading Union Army of the Potomac, commanded by Maj. Gen. George B. McClellan, away from Richmond and into a retreat down the Virginia Peninsula. Wikipedia

The Battle of Shepherdstown, also known as the Battle of Boteler's Ford, took place September 19–20, 1862, in Jefferson County, Virginia (now West Virginia), at the end of the Maryland Campaign of the American Civil War. After the Battle of Antietam, Confederate Gen. Robert E. Lee's Army of Northern Virginia prepared to defend against a Federal assault that never came. Wikipedia

Engagement between the Union Army and Confederate Army of Northern Virginia that occurred on April 5, 1865 during the Appomattox Campaign of the American Civil War. Followed by a second rear guard action near the same location on the night of April 5, 1865 and morning of April 6, 1865 during the Union Army pursuit of the Confederate forces which were fleeing westward after the fall of Petersburg and Richmond, Virginia at the Third Battle of Petersburg (sometimes shown as the Breakthrough at Petersburg) on April 2, 1865. Wikipedia

The culminating battle of the Valley Campaigns of 1864 during the American Civil War. Confederate Lt. Gen. Jubal Early launched a surprise attack against the encamped army of Union Maj. Gen. Philip Sheridan, across Cedar Creek, northeast of Strasburg, Virginia. Wikipedia

Military engagement fought between units of the Union Army and the Confederate Army during the American Civil War near the town of Marion, Virginia. Part of Union Maj. Gen. George Stoneman's attack upon southwest Virginia, aimed at destroying Confederate industrial infrastructure near Saltville and Marion. Wikipedia

The Battle of Chantilly (or Ox Hill, the Confederate name) took place on September 1, 1862, in Fairfax County, Virginia, as the concluding battle of the Northern Virginia Campaign of the American Civil War. Attacked by two Union divisions. Wikipedia

Fought between a Union Army cavalry division under the command of Brigadier General (Brevet Major General) George Armstrong Custer and Confederate Army of Northern Virginia artillery units commanded by Brigadier General Lindsay Walker with support from some dismounted cavalrymen, artillerymen armed with muskets and some stragglers on April 8, 1865, at Appomattox Station, Virginia during the Appomattox Campaign of the American Civil War. Following the withdrawal of General Robert E. Lee's Army of Northern Virginia from their defenses at Petersburg, Virginia after the Battle of Five Forks, Third Battle of Petersburg and Battle of Sutherland's Station, the Union Army closely pursued the Confederates westward on parallel and trailing routes. Wikipedia